Process of bleaching and maturing flour.



J. NJALSUP.

PROCESS OF BLEACHI'NG AND MATURING FLOUR.

APPLICATION FILED MAR. 15. 19 15- {1,250;0172.- Patented Dec. 11, 1917 S ATES PATENT OFFICE. A. .0; i- A YOFI-DWE'NSBORGI" I I H I if H I rnocnss or nrnecnm AND MATURING noun.

, a i pecifl atl cn of Letters Patent P t nt dn m 1 1917 Application nm mun, 1915. Seria1No.14,485.

, c be sufficiently. descriptive of such process N. Ansel", I when other apparatus is employed for curry a citizen ofithe. United Slat esidingh't ing the some into use. i i (iwensbr-m 1; i c-the county of yiess u'nd In said drawing, the reference numerallfl 5 fl l l ya ve'ins'entwl 1)? Mill T fi gllflte :Vclnnnl'ier in whiehlhe 'utnfosusefulllnlprpvenlents iyrlhhbesses of Bleach lll'l(., snl'ijected to the anti "of dim-up ing and lllntrmil-l'g" F-h' ur, olwhich [lie [oh llfi'. electricdischarge and 'pi' cl-ably this lnwing; i311 siiecificlefii n. I is all uternntleut llunnnguh I urge, its con- This:inveniitih "1 V to :1, process offi tenipletrd in iny giforesa1d np )licat=ii)n for;

I ing flour-Hind 'I'Iime partichlhrly to the LettersPatent; '11 designating thefixed Glee-- lhci alibleaching and mintnri'ng of the trorlennd 12 the rno\-':lhle-elec trode, having 1 I e suitable connections i i-and 14ivith-ga. source e llIS pending application, of electricity, in the present instenerne dy- 'N 873',O38, filed by1nem1Nove'mhe1' name 15 being. shown. The wire 14 leads i get i" of treating to :1 cell 1fi-havinghigh self-induction, and

H611: ylnchlms proverl i'ery :ulfii'iitn'genns" fi'iiishid coil to'tlic n'lovzihle electrode 12,

' a-ndhf greul' eommereiel value. Theproethe'coil being intrbdueed for the p rp ese of v css, 41S set; forth thcrein egmsi'stsbroadly 1n cnns ng the" potential at the electrod m the'pro ofitrealing lleur to an :rtmos- I'ISO to meet the resistance of the air between Emplmgc ivl iehjhas been subjected to a disrup them as the distance between the electrodes \tire-flelecttic disclnirge, nnd to which mols- 'is increased. The electrodes are preferably ture has l lecn udded. of curhon, although electrmles of other inul Thebl' eii ehing qualities of ClllOllll: are well teriul, such as 11:0 which will not -int.

known, :liid ehlori'n has becn'nsed 1n the art; rducc unyi deleterious substance into the at i of. lilcachg in r flotir. ,Ilo\\'eve1-,"-it has been lmospl'ierelor. gas,' niuy be employed. The

i'zound thin; [v treating flour with chlorin movable electrode 12 is gnidedfin its mov e 1' es the sole bleaching agent, a partial bleach ment by an eye 17 carried hyenarin l8 s1'1ponly is obtained, and although the Our be ported, 51s Sh i bl from the ing.

,. a 1-epenter lly subjeeted' tothe action of chlo'ri n chamber 10, and-ilflntermitten'tly moved-g it cannot. be mude 'as wh te in color as is .warrd anclfrom-the fixed electrode 11- to ,.(le. 'aire(l"cr'urnn' jlly, v str1ke,el0ng:1tc, n-nd hreakthe electric dis- V that, while'exeellc'nt rcchm'ge by link COHIKEGtlUfl-S from, the/open;

, Td all Mama my 0mm;- v, "Be it knomi that Lulmnl' I have diseov sulls are uccrjm plisl'iedjand h highdegrce of ting crenk 19 of the pump by which the I i'lltaine *"by' proceeding"according irl n'l'ospheric air "caused. to flow "throiigli 10 1!" *prlflces 'ofm-ysnid= application, a-t he treatingchu'mher a'ml'rt-he nlti'iiiute at- 1 higherdegree of bleach is p'1'r.)cure.d, (he 'mos.ph( -.re or. gus ,nessed intocontact with heme findthebenefienil resultsure greatly elec-trorl-e- 12 is gripped by en armQZQ piviheriwi. ad h'y judding chlm'irrto the atmos otallyQconnceted;by. a linkill effinsulating i "-,u- L: :iliell-iii u'cc iwdlin'cc--witl i.lthe p'i' ocees inateniel. to one end of :iwalking{beam-22,

,ap])licati0n-.: 5 Y which in tllIfll llaS llIllL connrctionfili, 24, tioin thei" ere, consists broadly With'the crank 15L lo feed the electrode 12 pl 3 of n-eati giflour to the comas ibis consumed, an uhutn'l'ent 25 of insuv tion of'chlorin undjli'n iatmosphere luring material carried ,by the arm 18 is ll!- Kvl'uch film" j been subjected to a disituptiize' .rangedin thepatlr or movement of the grip- -l hmge :lud'towhich.moistl'u-ehas perm-m 20, solha-t ateuch forward recip- :ilsovin the particularities set. l'oclillnlllgif the electrode theiahutlne'nt em filllihil cl imeq],

A gages thegrhming ern'i, turns itri'pon 'ils' omps nying drawings, 1, have pivotal connection with-.tlu': link 21, and by a p rates v,suitable "fercu'rry- H reason.oflth'e.flm'ing wull of the perforation Ito practicaluse,,thc%;| p- 26 ofl l \l5.. gI l[)] )(l"' urln frees the electrode 'purnlus being slimvn nmre or )l ll lllfllfltllflljllld ElilltlWS it-"tofteedu The i ml gliu l largely in cross-section. .hiejcleof 'thi urruiigemen't is, generally; to

iption of tlret n-oecss of treelin gtheele :g'lei' 'ocontactiviththe Sta jjngcthe'illnslmted apparatusw i, L mury one to s! an arc; so'that a low' 1 v i i 4 away to elongate theiaifo uhtillithmkQ: a"

. made an broken during itheg'opei'atiouj may well serve the u'rposeJ iuto,'th1 -oughand out o the 'chamber 1'( b' means of a suitable pump 28; end by whlc notes a conduit suitably it" re 'iaed with e regulating; \v-a1 e,,,.33 thrqllgh "which steam introduced into the air or gas either be- 'fore o1" after the action of the arqand It is preferable, as thetbest results are to saturat'eit; "that is,,"to bringit to that -condition immediately preceding" that m which moisture collects or condenses luthe K form: of dew .01 drops." The regulating valv s 33 and 35.1 enable the operator t 'tro'duce the desired quantity :of r-moleitum 'to v .th'e. ,air ,.lend.while it. is prefe able 9; 93 uratethe .a'ir or gas it is ohwilous that the -jope1-a;to; my vary the; aiuqunt'of moisfture introduced into the atmo spher arfl gas at colfding Y to" particular -cond1 tio ns with" vary ing' vdkg'rees of beneficial results; aud,-f:ther'euratioha-ofthe air with-moisture."

Th'e proce'ss is, T' I believe, if oi suit-able preheating of the atmospherio'air, I und,"th'e1"'efo re, preferably itis so preheated, this being" accomplished by" providing ah i. fo1 ,'myninven.tio is not limited totheeatthat the air passing; through .t ishollow annular chambel'finto' the conduit 'may;

be preheated.

' The ohlot'mmay tus, whi'oh 'ohafacj'ei' of electiio discharge is" gas preferred; "'The'inYmtiomhowevi et,itis not restricted to such disoharge,'as'- a sitableh'rc, now' well-known i113; electro-ohe'mical u'l' ftg'g;

27 @S'ignate u able-Bu wn uit by Which, atmog' h fi air awn pump the atmosphere'orga'sfis sent-through a suitable condu'1t'29'into a'reel R, the pump having appropriate-valves 3O arranged-in I I I I appropriate valve; chambers 31. 32 desig-.'

rom yu able. sourc s in c into. the, etmoi ph'ereil rqond and y whi steam is 'con enieutly ,g gulat u "in respt' V.fiflfisllchhatmosphfifiv. Ihe. omoisturelmeyflhe;

- I should the latter alternative. be selected, the

secured thereby, to add "sufficienlt -moisture, I Such as steam, to 111161811101 aseous mixture .f. j lituted by a annular hollow oh'amber 36 provided with,

I be added to theatmos phere-theatmosphere having been treated as above Stf0fith, by introducing the same. into theconduit 29 through a suitable conduitE"39ileadin from anpappmpi iate source, t ,66 "of su'ppfy'of c lox iluin the-p re'sent-mstance,

tank 40 of o 'p'flsed ohloflubei ":zdie- A s'uitube'valvelwwrovi od to enable the pperetof tointqodu'q the desired. quantity oi hloriutofth s alfyfIas th eh-lorin rec'tlyiuto theree h withthe tr a "T P e if" ciie'flt for the'purfp at l' chi the out tthettheflolw .I ,t e 06111511104 a tion Q t e Q v f ii 1"fitih ?here in the bo1ting ,1",eel. 9D I have found that'thdgehtiv'e pmpoii 1 tions of atmospherioT-jgas, moistufef aud ehlorin may be varied tii-u -(il'tain -extentfi Without appreciably afieeting the wfeslilt 1t taiii'ed. there any appreoijablefdii; ference it isonly in theleugithioif, time ing which the flour is subjbloted to the men' a this. an e 'a illv' determ ned by. testingthe flou'rasto its 001013 I V I I desire it tohe ,underst'omihat in'- "-10 wention. is not limitedit the ".introductioli- 'ofmoi'sture in' the :form ofsteam, butthat' 5mm may b ifi r d1 d n ario s j forms and. ways, and that various othermoclificatioiis and 'ohan'gesv mayhe mid-ems hich, would b ,w tllingtbe spi, f t'..0f t ei II feu'tion without departing'from secspeef the fo11ov*ii1g oIaiitis;. I I 1 v f -Qh m 1;. The process" otbleaehing' and mgtur' ing' fl our which consists in "sjutijeeting" the I i '1 flour to a mixture of' ohloriu and mos-= fih'el ic ,cair odified Jby 1 disx upti've" efame a'ud having-had; nioisture' added thmbtbi The prooes'sof blea'chingflahd metura- ,ing.floul r ,which;co m igis ts' iii 'subjeotihfthe flour tosthe; action ob -"mixture of I ojfioi'in and" atmospherieeig the atmospheric air having 'Iiaeeumodifiedby disruptive electric diso'h'ar'ge and hay'ingfmoisturefadded there; r toprio r tQIhQ-RGQOB of the eleetriodis-' 'chatghthereciup "LgT h e f' obes's o fb l ea 'n a d I I flour when e, m

iug flour. which consists =in:- subjeetm'githe' fflourlto a i ture- 0f] chlo'li n'l and? I pheric air, theatuiosphelfieainhavin .jchee'n I modified by. disruptw'e edeotl i'cdischarge I I v to the action of a mixture of chlorin and atmospheric air, the latter having been modified by disruptive electric dischar and-having moisture added thereto tot 10 point of saturation of the atmosphere.

5. The process of bleaching and matur' ing flour which consists in subjecting the flour to-the' action of a mixture of chlorin and atmoe herie air, the latter having been modified h y disruptive electric. discharge, and having had steam added thereto.

- -6. The process of bleaching and maturing flour which consists in subjecting the flour to the action of a mixture of chlorin and atmospherie air, the latter having been preheated, modified disruptive electric discharge, and having had moiature "added thereto. I

7. The process of bleaching and maturing flour which consists in mbjecting the flour 20 to the action of a mixture'of gases comprw ing .chlonn, atmospheric air, and moisture,

the atmospheric Illi having been modified by:

disruptive electric discharge.

In testimony whereof I have hereunto let L1 my hand in presenw of two subscribing witnesses.

' JAMES NATHANIEL ALSOP;

Witnesses:

. J. S. M1 um,

R. W, SLACK. 

